Two-way fluid pressure relief valve

Details Two-way fluid pressure relief valve Two-way fluid pressure relief valve

1976-05-07

1977-07-05

Nilson, Robert G.

Fluid handling

Line condition change responsive valves

Bi-directional flow valves

F16K 1500

Patent

active

040333752

ABSTRACT:
A two-way fluid pressure relief valve having a valve body and two valve seats therein and two valve closure pieces operable on the seats. Springs force the closure pieces against the seats, and the fluid pressure will act in both directions for removing the closures from the seats and causing fluid pressure relief. A movable member engages the closure pieces to remove them from the seats and to also fluid-tightly seal with them up to the point of fluid pressure relief created by the springs.

REFERENCES:
patent: 2934080 (1960-04-01), Rice
patent: 2955613 (1960-10-01), Block
patent: 3437065 (1969-04-01), Robbins

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